Video Ports

DirectDraw video-port extensions are a low-level programming interface, not intended for mainstream multimedia programmers. The target customer is the video-streaming software industry, which creates products like DirectShow™. Developers who want to include video playback in their software can make use of video-port extensions. However, for most software, a high-level programming interface like the one provided by DirectShow is recommended for greater ease of use.

The following topics contain information about DirectDrawVideoPort objects:

• What Are Video Ports?
• Video-Port Technology Overview
• About DirectDraw Video-Port Extensions
• Video Frames and Fields
• HREF, VREF, and Connections
• Vertical Blanking Interval Data
• Auto-Flipping
• Solutions to Common Video Artifacts
• Solving Problems Caused by Half-Lines
• Exploiting Hardware Features

 Last updated on Thursday, April 08, 2004

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